* {
    margin:0;
    padding:0;

}
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    font-size: 62.5%;
}
body,input,button,a,textarea,select {
    margin:0;
    font-family:"Helvetica Neue";
    font-size: 1.4rem;
    line-height: 1.5;
    color:#333;
}
html,body{
    width: 100%;
    height: 100%;
    margin: 0;
}

a {
    text-decoration: none;
}
a:hover, a:focus {
    text-decoration: none;
}
a:hover {
    filter:alpha(opacity=90);
    opacity: .9;
}
.tc {
    text-align: center;
}
.tr {
    text-align: center;
}
.tl {
    text-align: center;
}

.content {
    color: #fff;
    background:#000;
    width: 100%;
    height: 100vh;
}
.bg {
    background:url('../img/bg.jpg');
    background-size:cover;
}
.module-box {
    display: flex;
    justify-content: space-between;
    margin: 5px;
}
.d-flex{
    display: flex;
}
.box-middle{
    align-self: center;
}